Crash when baking Dynamic Paint Image Sequence multiple times in loop #74052
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Reference: blender/blender#74052
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Blender Version
Broken: 2.90.0 Alpha, branch: master, commit date: 2020-06-15 12:23, hash:
73f8dd0f4cWorked: blender-2.80-windows64
Short description of error
Blender crashes when baking dynamic paint image sequence in for loop. Depending on wait time crash will have differens stack traces.
Exact steps for others to reproduce the error
#74052.blend
Added subscriber: @BorekBures
Baking Dynamic Paint Image Sequence multiple times by Python script performs output only once.to Crash when baking Dynamic Paint Image Sequence multiple times in loopChanged status from 'Needs Triage' to: 'Confirmed'
Added subscriber: @emu-3
I'm unable to reproduce the bug in 2.83 on Linux 64 bit, build
d290bdd42a(2020-04-19) from buildbot. Running the script several times and modifying the wait time never caused a crash.Added subscriber: @JacquesLucke
I can reproduce the crash in a debug build with ASAN. Reports: P1582, P1583.
I'm not exactly sure what is causing the crash yet. Some observations:
bpy.ops.dpaint.bake()does not do the actual baking, but only starts a bake job that will be executed later.Removed subscriber: @emu-3
Cannot repro here (not in current main, nor in 2.90).
Is this still an issue for you in fresh builds from https://builder.blender.org/download/daily/ ?
No activity for more than a week. As per the tracker policy we assume the issue is gone and can be closed.
Thanks again for the report. If the problem persists please open a new report with the required information.